Gold-saving device.



G EDICK & J. E. DAVERN.

GOLD SAVING DEVICE.

APPLICATION FILED SEPT- 24. I915.

Patented-Apr. 4, 1916.

UNIT D 'srarns PATENT OFFICE. j

' 'eonn-saviue DEVICE.

1 178 001 Specification of Letters Patent. Patented A 4 1916 Application filed September 24, 1915. Serial No. 52,482.

To all whom it may concern: instance the screen is shown as hinged at JOHN E. DAVERN, citizens of the United vided for varying or regulating the inclina- States, residing at Albuquerque, in the tion thereof as desired. Of course, the- 5 county of Bernalillo and State of New screen may be either adjustable or fixed, as Mexico, have invented new and useful Tmoccasion may require.

rovements in Gold-Saving Devices, of The outlet 2 of the hopper discharges into 55 which the following is a specification. the upper end of a column 5', preferably of This invention relates to a device adapted rectangular or oblong rectangular form in to be employed in gold extraction for the cross section, and into which the solution saving of float or flour gold, commonly lost passes by gravity. At the bottom of this in ordinary extraction processes. column is an upstanding tapering deflector 60 In the art of extracting gold from ores, 6, preferably pyramidal in form, its sides sand, etc., it is well known that a large being equal in number to the sides of the amount of the very fine gold is lost, except column 5'. The sloping sides of this dein cyaniding, which is an exception to the fiector guide the'material to a series of outrule but a comparatively expensive process, lets 7 equal in number to the sides of the 65 owing to the inability of the types of excolumn and deflector and formed by horitraction or recovery apparatus in use to zontal flanges projecting'from the adjacent take care of the very fine flour or float gold. sides of said parts and defining narrow The object of our invention is to provide a elongated horizontal exits into the body of signed especially for the treatment of fine charged intoa mercury receptacle 8. This matter containing fine gold, by which the receptacle contains a body of mercury 9 in gold ordinarily allowed to go to waste will which the lower end of the column is subbe separated from the foreign material and merged up to a point above the level of the saved. outlets 7. 75 The invention consists of the features of It will be understood from the foregoing construction, combination and arrangement description that the fine material passing of parts herein fully described and claimed, through the screen 3 into the column 5 reference being had to the accompanying falls upon the deflector 6 and is conveye drawing in which to and discharged through the respective 80 Figure 1 is a side elevation of a gold savoutlets 7 into the body of mercury in the ing extractor or separator embodying our pan or receptacle 8. The mercury takes up invention. Fig. 2 is a vertical longitudinal the fine gold in the well known way, and at section of the same. Fig. 3 is a sectional suitable intervals this gold may be recovlan view on the line 3-3 of Fig. 2. ered and the pan or receptacle relieved of 85 Referring to the drawing, 1 designates a its refuse material. It will be evidence that hopper having an outlet 2 at its lower end by this construction all of the fine flour or and provided at its top with an inclined float gold will be recovered, thus preventing screen surface 3. In practice the solution the losses which usually occur. containing fine sand, flour gold, etc., is con- We claim 90 ducted over the surface of this screen, A device for separating float or flour gold through which the water, fine gold and fine from fine foreign substances, comprising a foreign materials pass into the hopper, the mercury receptacle, a vertical column excoarser foreign materials being rejected. tending downwardly into said receptacle The screen may be of any suitable mesh and and provided with a plurality of sides. a 95 sloped or inclined as desired. In the present pyramidal deflector extending upwardly Be it known that we, GEORGE EDICK and 4E and adjustable fastening means 5 are proseparating device which is adapted and demercury, whereby the material is disinto the lower end of the mercury colurnn, In testimony whereof we affix our signasaid deflector having a ser1es 0f sloping tures in presence of two wltnesses. sides equal in number to the sides of the GEORGE EDICK. column and sloping toward the lower ends thereof, the deflector being provided with JOHN DAVERN' horizontal flanges defining narrow elon- Witnesses; gated horizontal exits into the body of mer- T. L. MCSPADDEN, 

